Vayalur I Sub-Center
| Hospital Name | Vayalur I Sub-Center |
| Address | Health Sub Center |
| Address Line2 | Kattur Main Road, Thiruvellaivoyal Govt Hsc School |
| Location | Voyalur Kuppam |
| Phone No. | N. A. |
| Mobile No. | N. A. |
| Facility | SubCentre |
| State | Tamil Nadu |
| District | Thiruvallur |
| Taluka | Ponneri |
| Block | Minjur |
| GPS Location | Latitude: 13.3138 |
| Longitude: 80.2799 |
Vayalur I Sub-Center hospital is a SubCentre in Minjur. It is located in Thiruvallur district of Tamilnadu state. The GPS Location of this hospital is shown in the map below.